MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://xezojetit.ru/123?utm_term=sorting+algorithms+complexity+cheat+sheet PDF link annotation
- https://cdn.sqhk.co/feduvefas/ieAifFr/free_pcb_design_software_for_cnc.pdfIn PDF document text
- https://cdn.sqhk.co/dukosisevu/gdgihg4/sonulad.pdfIn PDF document text
- http://baykamif.space/capstone_logistics_travel_team_reviewsvum2u.pdfIn PDF document text
- https://cdn.sqhk.co/pidagasew/N0jjx8u/jirigel.pdfIn PDF document text
- http://remontlegko.info/kotowepawoxircqba.pdfIn PDF document text
- https://cdn.sqhk.co/wifukatar/thchbyf/digital_class_rewards_free.pdfIn PDF document text
- https://cdn.sqhk.co/kufalavoxig/OhdFja1/93763141896.pdfIn PDF document text
- http://allieshouseofhope.com/dinoxxbwfg.pdfIn PDF document text
- http://trydouche.xyz/children_of_dune_moviesnqs0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/559c7f7c-5749-40df-b7e6-787d7b105012/24651206317.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e879cde8-06b5-4621-afb7-0dbd40c514c6/atualizar_gps_garmin_nuvi_255w_gratis.pdfIn PDF document text
- https://s3.amazonaws.com/zaxuledo/anchor_hero_guide_empires_and_puzzles.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e1184020-f7bf-4b0b-ace4-d02b3854e510/44895773720.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ff1bfda9-ac75-459e-b4e5-db455c3644fd/2016_ap_biology_exam.pdfIn PDF document text
- https://s3.amazonaws.com/woberiz/nunopagubibaruwenasom.pdfIn PDF document text
- https://s3.amazonaws.com/xeruxaxer/wosetizabemasir.pdfIn PDF document text
- https://11ab4cf5-156d-4417-99e9-5039b2a7eb5f.filesusr.com/ugd/82d61e_c82c723e57844f8fbef460641bb13193.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7207bbc7-965f-4e02-8b3e-241bcb27ed1f/what_may_be_the_purpose_of_gloria_in_writing_a_narrative_essay.pdfIn PDF document text
- https://6f465708-eb37-4ee2-8658-ebeec6cd93ea.filesusr.com/ugd/4bb103_e715ab38aace4dedb4e6a609cef22dcd.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9f0d4211-bf09-4065-81e0-21dfb0623347/22631103767.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e0d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0D1 | 5620 bytes |
SHA-256: 41d651c86b4e2f8e344f382514777f313756619a1b69242542d3d0bd0dcafed6 |
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font_01_sfnt_off0000f3d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3D1 | 11780 bytes |
SHA-256: c5255c6f00e0120b7ed0c6c82bfeb8d3827b0cdbddac10dda65afd418307795e |
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font_02_sfnt_off00011ba7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BA7 | 16144 bytes |
SHA-256: 2a5f1667c2e343500efde63e3dd6a136498333968b1680966ac5eb34589f1174 |
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